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Browse 47,334 clinical trials for rheumatoid arthritis. Find studies that match your criteria and connect with research centers.
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NCT05488041
Inflammatory bowel diseases (IBD), which include Crohn's disease (CD) and ulcerative colitis (UC), are chronic immune-related diseases. IBD symptoms frequently overlap with symptoms of functional GI disorders such as irritable bowel syndrome (IBS) and defecatory disorders, and these symptoms are common in patients with active disease, and also in quiescent disease. Underdiagnosis of abnormal anorectal function may result in an inappropriate escalation of IBD therapy. In this study, the investigators aim to evaluate if damage from chronic inflammation in UC results in anorectal damage such as hypersensitive, hyperactive, poorly compliant rectum, and hypotensive sphincter. If this is the case, early aggressive treatment of the disease is needed. Another important point in this study is to find out which of the anorectal symptoms are due to a hypersensitive, hyperactive, and poorly compliant rectum and not due to mucosal inflammation. The diagnosis of abnormal anorectal function via manometry may help to give the appropriate treatment, such as biofeedback or pharmacological treatment such as loperamide or tricyclic anti-depressants. This may avoid escalation or replacing effective IBD therapy unnecessarily.
NCT04870229
The hypothesis is that oral supplementation of L-carnosine will inhibit PHDs, increase HIF1-translocation and angiogenesis and thus improve the functioning of lower extremities in PAD patients. Primary Aim: 1\. Compare the effect of carnosine and placebo supplementation on the 6MWT in PAD patients with and without claudication. Secondary Aim: 1. Determine whether carnosine supplementation improves the pain-free treadmill walking ability of the subjects supplemented with carnosine compared to placebo. 2. Compare the levels of carnosine, VEGF, HIF-1α, and PHDs activity in the skeletal muscle before and after placebo and carnosine supplementation. 3. Compare the levels of EPCs (CD34+/CD133+), inflammatory markers (serum amyloid A, hsCRP) and thrombotic markers (fibrinogen, homocysteine) as cardiovascular risk markers in these subjects. 4. Explore the effects of race and gender on VEG, carnosine, and HIF-1α levels in both groups.